13986070686 has 48 divisors (see below), whose sum is σ = 36154475280. Its totient is φ = 3996019440.

The previous prime is 13986070661. The next prime is 13986070723. The reversal of 13986070686 is 68607068931.

It is a happy number.

It is a super-2 number, since 2×13986070686² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2640225 + ... + 2645516.

It is an arithmetic number, because the mean of its divisors is an integer number (753218235).

Almost surely, 2^13986070686 is an apocalyptic number.

13986070686 is an abundant number, since it is smaller than the sum of its proper divisors (22168404594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13986070686 is a wasteful number, since it uses less digits than its factorization.

13986070686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285766 (or 5285753 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 13986070686 in words is "thirteen billion, nine hundred eighty-six million, seventy thousand, six hundred eighty-six".